Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 24/81 from 81/60

1st number: 1 21/60, 2nd number: 24/81

81/60 - 24/81 is 569/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 81 is 1620

    Next, find the equivalent fraction of both fractional numbers with denominator 1620
  2. For the 1st fraction, since 60 × 27 = 1620,
    81/60 = 81 × 27/60 × 27 = 2187/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    24/81 = 24 × 20/81 × 20 = 480/1620
  4. Subtract the two like fractions:
    2187/1620 - 480/1620 = 2187 - 480/1620 = 1707/1620
  5. After reducing the fraction, the answer is 569/540
  6. In mixed form: 129/540

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com